Main.java

import java.util.Scanner;
import java.util.Random;


// set PATH=%PATH%;C:\Program Files\Java\jdk-22\bin

public class Main {
    public static void main(String[] args) {
	Scanner sc = new Scanner(System.in);
	Random rand = new Random();
    Player player = new Player("Anon"); // default username
	while (true) {
            displayWelcomeScreen();
 
            if ((sc.nextLine()).compareToIgnoreCase("n") == 0) {
                System.out.println("Thanks for visiting. Goodbye!");
                break; // Exit
            }
            startGame(sc, rand, player);
        }
    }


    public static void displayWelcomeScreen() {
        System.out.print("\033[H\033[2J");
        System.out.flush(); 

	    System.out.println("      (       )           )     ");
	    System.out.println("   (  )\\ ) ( /( (      ( /(     ");
	    System.out.println(" ( )\\(()/( )\\()))\\ )   )\\())    ");
	    System.out.println(" )((_)/(_)|(_)\\(()/(  ((_\\)     ");
	    System.out.println("((_)_(_))  _((_)/(_))_  ((_)    ");
	    System.out.println(" | _ )_ _|| \\| (_)) __|/ _ \\    ");
	    System.out.println(" | _ \\| | | .` | | (_ | (_) |   ");
	    System.out.println(" |___/___||_|\\_| *\\___|\\___/____");
	    System.out.println(" (       (     (  `        |   /");
	    System.out.println(" )\\ )    )\\    )\\))(  (    |  / ");
	    System.out.println("(()/( ((((_)( ((_)()\\ )\\   | /  ");
	    System.out.println(" /(_))_)\\ _ )\\(_()((_|(_)  |/   ");
	    System.out.println("(_)) __(_)_\\(_)  \\/  | __|(     ");
	    System.out.println("  | (_ |/ _ \\ | |\\/| | _| )\\    ");
	    System.out.println("   \\___/_/ \\_\\|_|  |_|___((_)   ");
	    System.out.println("           By: RKGO");
	System.out.print("\nStart Game? (y/n): ");
    }

    public static void startGame(Scanner sc, Random rand, Player player) {
        String tempBuffer = "";
        int numCards = 0;
        int cost = 0;

        System.out.print("\033[H\033[2J");
        System.out.flush(); 

        System.out.printf("\n%d Coins    Level %d    Exp %d    Username: %s\n\n",
            player.getCoins(), player.getLevel(), player.getExp(), player.getUsername());
        System.out.println(" [ X ]                              ____  [ ? ]");
        System.out.println("         (                         |   /");
        System.out.println("       ( )\\ (          (  (        |  / ");
        System.out.println("       )((_))\\   (     )\\))(  (    | /  ");
        System.out.println("      ((_)_((_)  )\\ ) ((_))\\  )\\   |/   ");
        System.out.println("       | _ )(_) _(_/(  (()(_)((_) (     ");
        System.out.println("       | _ \\| || ' \\))/ _` |/ _ \\ )\\    ");
        System.out.println("       |___/|_||_||_| \\__, |\\___/((_)   ");
        System.out.println("                      |___/              \n\n");
        System.out.println("[1] 1 Card [2] 2 Cards [3] 4 Cards [4] New Username");
        System.out.println("  10 Coins    20 Coins    40 Coins");
        System.out.println("      Hard      Normal        Easy");
        System.out.print("\nBingo: ");

        tempBuffer = sc.nextLine();
        if(tempBuffer.compareToIgnoreCase("X") == 0) return;
        else if(tempBuffer.compareToIgnoreCase("?") == 0) {
            howToPlay(); sc.nextLine(); return;
        }
        else if (!tempBuffer.matches("\\d+")) { //is not an integer
            System.out.print("Invalid input.\nPress Enter to try again...");
            sc.nextLine();
            return;
        }
        numCards = Integer.parseInt(tempBuffer);

        if (numCards <= 0 || numCards > 4) {
            System.out.print("Invalid input.\nPress Enter to try again...");
            sc.nextLine();
            return;
        }

        switch (numCards) {
            case 1: cost = 10; numCards = 1; break;
            case 2: cost = 20; numCards = 2; break;
            case 3: cost = 40; numCards = 4; break;
            case 4: 
                System.out.print("New username: ");
                player.setUsername(sc.nextLine());
                return;
        }

        if (player.getCoins() < cost) {
            System.out.print("Coins not enough.\nPress Enter to try again...");
            sc.nextLine();
            return;
        }
        player.deductCoins(cost);

        BingoCard[] cards = new BingoCard[numCards];
        for (int i = 0; i < numCards; i++) {
            cards[i] = new BingoCard();
            generateCard(cards[i], rand);
        }

        WinningPattern patterns = new WinningPattern();
        Game game = new Game(cards, patterns, rand, sc);
        int score = game.play();
        player.reward(50, score); // 50 = EXP increase per game
    }
    public static void howToPlay() {
        System.out.print("\033[H\033[2J");
        System.out.flush();

        System.out.println("\n\n");
        System.out.println("    )                        (                  ____");
        System.out.println(" ( /(                 )      )\\ ) (            |   /");
        System.out.println(" )\\())    (  (     ( /(     (()/( )\\   ) (     |  / ");
        System.out.println("((_\\  (  )\\))(    )\\())(    /(_)|(_| /( )\\ )  | /  ");
        System.out.println(" _((_) )\\((_)()  (_))/ )\\  (_))  _ )(_)|()/(  |/   ");
        System.out.println("| || |((_)(()((_) | |_ ((_) | _ \\| ((_)_ )(_))(     ");
        System.out.println("| __ / _ \\ V  V / |  _/ _ \\ |  _/| / _` | || |)\\    ");
        System.out.println("|_||_\\___/\\_/\\_/   \\__\\___/ |_|  |_\\__,_|\\_, ((_)   ");
        System.out.println("                                         |__/       ");
        System.out.println("I. OBJECTIVE");
        System.out.println("   - The goal is to match numbers on your Bingo card with the numbers drawn.");
        System.out.println("   - Complete patterns such as rows, columns, diagonals, or corners for points.\n");
        System.out.println("II. GAME SETUP");
        System.out.println("   - Choose the number of Bingo cards to play with (1, 2, or 4).");
        System.out.println("   - Each card costs coins (10 for 1 card, 20 for 2 cards, 40 for 4 cards).");
        System.out.println("   - You start with 100 coins. Manage them wisely!\n");
        System.out.println("III. GAMEPLAY");
        System.out.println("   - Numbers between 1 and 75 are drawn randomly every 3 seconds.");
        System.out.println("   - Each number corresponds to a letter on the card (B, I, N, G, O).");
        System.out.println("   - Your card will automatically mark the drawn numbers.\n");
        System.out.println("IV. WINNING PATTERNS");
        System.out.println("   - Horizontal Rows: Complete a full row (10-14 points).");
        System.out.println("   - Vertical Columns: Complete a full column (15-19 points).");
        System.out.println("   - Diagonals: Complete a diagonal line (20-25 points).");
        System.out.println("   - Four Corners: Mark all four corners of the card (30 points).\n");
        System.out.println("V. REWARDS");
        System.out.println("   - Earn 5 coins and 50 EXP for each game.");
        System.out.println("   - Level up by gaining 100 EXP.\n");
        System.out.println("VI. TIPS");
        System.out.println("   - Enter 'X' anytime during the game to exit *before* purchasing a card.");
        System.out.println("   - Once you purchase a card, you must play through the end of the drawing limit.");
        System.out.println("   - Invalid inputs will be rejected, so enter valid options.\n");
 
        System.out.print("Press Enter to return to the welcome screen...");
    }

    // Helper methods
    private static void generateCard(BingoCard card, Random rand) {
        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 5; j++) {
                card.card[i][j] = rand.nextInt(15) + 1 + (j * 15); 
            }
        }
        card.card[2][2] = -1;
    }

    public static void printBingoCards(BingoCard[] cards) {
        System.out.println();
        for (int z = 0; z < cards.length; z++) {
            System.out.printf("Card %d:%11s", (z + 1), "");
        }
        System.out.println();

        
        for (int z = 0; z < cards.length; z++) {
            System.out.print(" B  I  N  G  O    ");
        }
        System.out.println();

        for (int i = 0; i < 5; i++) {
            for (int k = 0; k < cards.length; k++) {
                for (int j = 0; j < 5; j++) {
                    if ((cards[k].card[i][j] == -1) || (i == 2 && j == 2)) { // Free space
                        System.out.print(" X ");
                    } else {
                        System.out.printf("%2d ", cards[k].card[i][j]);
                    }
                }
                System.out.print("   ");
            }
            System.out.println();
        }
        System.out.println();
    }
}